Home / 64,331.05-88,766.52-40,440.81

Finding the Fourth Proportional to 64,331.05, 88,766.52 and 40,440.81

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Solution

The fourth proportional to 64,331.05, 88,766.52 and 40,440.81 is: 55,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,331.05 : 88,766.52 = 40,440.81 : x
  2. Step 2: Convert to fraction form
    64,331.05/88,766.52 = 40,440.81/x
  3. Step 3: Cross multiply
    64,331.05x = 88,766.52 × 40,440.81
  4. Step 4: Simplify right side
    64,331.05x = 3,589,789,969.68
  5. Step 5: Solve for x
    x = 3,589,789,969.68/64,331.05
  6. Step 6: Final answer
    x = 55,801.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.